EP1541450B1 - Method of bonding a window to a vehicle, and the related vehicle body - Google Patents

Method of bonding a window to a vehicle, and the related vehicle body Download PDF

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Publication number
EP1541450B1
EP1541450B1 EP04106460A EP04106460A EP1541450B1 EP 1541450 B1 EP1541450 B1 EP 1541450B1 EP 04106460 A EP04106460 A EP 04106460A EP 04106460 A EP04106460 A EP 04106460A EP 1541450 B1 EP1541450 B1 EP 1541450B1
Authority
EP
European Patent Office
Prior art keywords
window
mounting frame
rpc
perimeter
bonding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP04106460A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1541450A1 (en
Inventor
Mauro Giovine
Marco Armigliato
Bruno Lambert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iveco SpA
Original Assignee
Iveco SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iveco SpA filed Critical Iveco SpA
Publication of EP1541450A1 publication Critical patent/EP1541450A1/en
Application granted granted Critical
Publication of EP1541450B1 publication Critical patent/EP1541450B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/06—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being doors, windows, openable roofs, lids, bonnets, or weather strips or seals therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/70—Sealing arrangements specially adapted for windows or windscreens

Definitions

  • This invention relates to a method of bonding a window to a vehicle body, and the relative vehicle body for applying the method.
  • the window is bonded to the pinchweld flange where the body panels are welded together in correspondence with the windscreen aperture in the vehicle body.
  • an opaque coating which is usually black, must be applied to the perimeter of the glass, to mask the adhesive, so that it is never exposed to the sun's rays, even after it has been applied and dried.
  • the opaque coating must be wider than the line of adhesive and must extend beyond this, in order to shade the adhesive even from the oblique rays of the sun. It may extend inwards by as much as 30 mm from the edge of the glass, with the result that the driver's area of vision is reduced.
  • the surface of the pinchweld flange to which the adhesive is applied is uneven, with depressions or irregularities in correspondence with the welding spots. This reduces the bonding strength of the adhesive, which also varies in thickness, given such deformations.
  • JP 59 092215 A discloses a method of bonding a window to a vehicle body, in which bonding is performed on the inside edge of the window, by a glue line applied in a rack near to the pinchweld flange on the perimeter surface of the body aperture hosting the window.
  • JP 61 282117 A discloses a method of bonding a window to a vehicle body in which bonding is performed by a glue line applied over the pinchweld flange, with the intermediary of an internal spacer, which remains hindered behind the window edge.
  • the purpose of this invention is to overcome all the drawbacks described above with a method of bonding a window to a vehicle, and the relative vehicle body for applying such procedure, as described more fully in the claims, which are an integral part of this description.
  • the invention is characterized by a method of bonding a window to a vehicle body as described in claim 1, and by a vehicle body as described in claim 5.
  • window any kind of glass for vehicles including windscreen and the like.
  • Fig.1 illustrates a cross-section of the edge of the body CAR, and a pinchweld flange AS where the body panels are welded together in correspondence with the opening for the window VE in the body.
  • COL indicates a glue line on the pinchweld flange AS.
  • SER indicates a cross-section of a black opaque coating covering the glue line on the window VE. As shown in the drawing, the opaque coating SER extends inwards towards the center of the glass beyond the flange, thus reducing the total area of vision.
  • the adhesive is applied further back, in a recess obtained along the edge of the perimeter surface of the vehicle body, thus increasing the perimeter surface of the windscreen, so that the bonding area is smooth, even and with no welding spots.
  • the opaque coating is also moved back in relation to the perimeter flange, thus eliminating the problems in connection with the reduction of the area of vision, in that the opaque coating on the glass does not extend beyond the edge of the flange.
  • CAR indicates the part of the vehicle body that comprises the windscreen aperture LV; AS indicates the pinchweld flange around the windscreen aperture, and COL indicates the glue line.
  • Figures 3 , 4 and 5 are enlarged views of the respective cross-sections 1-1 (top edge), 2-2 (bottom edge) and 3-3 (side pillar) of the windscreen aperture shown in figure 2 .
  • the figures illustrate a cross-section of the edge of the body CAR, and the pinchweld flange AS where the body panels are welded together around the opening for the window VE.
  • a mounting frame RPC is welded to the body CAR along the two perimeter lines, one of which consists of the pinchweld flange AS.
  • the glue line COL is no longer on the pinchweld flange, but further back in a recess RI obtained in the mounting frame RPC on the edge of the perimeter surface of the body, so that the windscreen is brought forward and made slightly larger.
  • the mounting frame RPC is cast in a single piece so that the opening that houses the window follows the shape of the edge of the glass, and the bonding area is smooth, even and with no welding spots.
  • the application of the mounting frame RPC constitutes an element of this invention.
  • the glass would have to be fitted directly to the bodywork around the windscreen.
  • Such bodywork usually consists of four parts, namely the bottom edge, top edge and two side pillars.
  • the surface at the joints between such four parts would be discontinuous, with depressions or dangerous protrusions that would undermine the correct bonding of the glass at such points. In that case a number of additional and somewhat complex processes would be required in order to make the surface level.
  • such mounting frame may be part of the actual bodywork structure as shown in fig. 4 in correspondence with the bottom edge of the windscreen aperture, where there is no corresponding section of the body CAR behind the frame RPC, or it may simply be fitted on top of the structure, as shown in figures 3 and 5 in correspondence with the top edge or side pillars, where there is a corresponding section of the body CAR behind the frame RPC.
  • the frame may be made of the same material as the body.
  • Assembly consists of first applying the mounting frame, which is welded along the two perimeter lines. The windscreen is then fitted from the front, using the type of adhesive that is used for conventional bonding processes.
  • the present invention achieves a number of advantages over the prior art.
  • Such advantages consist of the fact that the bonding area is smooth, even and with no welding spots, ensuring improved bonding strength, more even application and a reduction in adhesive drying times.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Body Structure For Vehicles (AREA)
EP04106460A 2003-12-11 2004-12-10 Method of bonding a window to a vehicle, and the related vehicle body Active EP1541450B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20032421 2003-12-11
IT002421A ITMI20032421A1 (it) 2003-12-11 2003-12-11 Procedimento di incollaggio vetri in un veicolo, e

Publications (2)

Publication Number Publication Date
EP1541450A1 EP1541450A1 (en) 2005-06-15
EP1541450B1 true EP1541450B1 (en) 2012-12-05

Family

ID=34509466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04106460A Active EP1541450B1 (en) 2003-12-11 2004-12-10 Method of bonding a window to a vehicle, and the related vehicle body

Country Status (3)

Country Link
EP (1) EP1541450B1 (es)
ES (1) ES2400559T3 (es)
IT (1) ITMI20032421A1 (es)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146263A (en) * 1976-06-18 1979-03-27 Toyo Kogyo Co., Ltd. Vehicle body structure having a windshield and cowl panel assembly
DE2855526A1 (de) * 1978-12-22 1980-07-10 Porsche Ag Halterung der scheiben von kraftfahrzeugen
JPS5992215A (ja) 1982-11-15 1984-05-28 Nissan Motor Co Ltd 自動車のリヤウインドパネル取付部構造
JPS61282117A (ja) 1985-06-10 1986-12-12 Nissan Shatai Co Ltd 車両用窓ガラスの取付構造
JPH0611890Y2 (ja) * 1987-05-08 1994-03-30 スズキ株式会社 自動車のカウル部構造
DE3730345A1 (de) * 1987-09-10 1989-03-30 Ver Glaswerke Gmbh Kraftfahrzeugfenster

Also Published As

Publication number Publication date
ES2400559T3 (es) 2013-04-10
EP1541450A1 (en) 2005-06-15
ITMI20032421A1 (it) 2005-06-12

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